SM 5V 1A DIY Powerbank Charging Circuit Step Up Module with LED Indicator (Green)By techguttu / May 19, 2021 Price: [price_with_discount](as of [price_update_date] – Details) [ad_1] Ideal for use with 3.7 Volt Batteries (model-18650), Charging Voltage 5V DC, Output – 5 Volt 1A Charging Voltage 5V DC, Output – 5 Volt 1ADurable and Long lasting [ad_2]